1.   One North Sea rig was being used only for worker housing.

2.   The truckers might use their rigs as roadblocks.

3.   Using drilling rigs sitting on dry land, the tools drilled horizontally under the sea to reach oil.

4.   When they first use Carolina rigs, many anglers have trouble setting the hook on a bass.

5.   Fire Chief Richard Lazarus said the crew did not have permission to use the rig.

6.   The divers sailed aboard the Regalia, a rig normally used by the offshore oil industry.